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A substantial impact on Africa agriculture can be made through research on crop improvement for the extensive inland valley agro-ecosystems (IVS) extending from the humid forest to the savanna zones in sub saharan Africa. Systematic surveys of farmers have shown that cassava is a favoured upland ...


Ekanayake, I.J.Dixon, A.Asiedu, RobertIzac, A.M.[Improved cassava for inland valley agroecosystems]Improved cassava for inland valley agroecosystems

Cassava (Manihot esculenta (L.) Crantz) is a starchy root crop cultivated in the tropics for fresh consumption and commercial processing. Dry matter content and micronutrient density, particularly of provitamin A, traits that are negatively correlated, are among the primary selection objectives i...


Rabbi, Ismail Y.Udoh, L.I.Wolfe, M.Parkes, E.Y.Gedil, Melaku ADixon, A.Ramu, P.Jannink, Jean-LucKulakow, P.A.[Genome-Wide Association Mapping of Correlated Traits in Cassava: Dry Matter and Total Carotenoid Content]Genome-Wide Association Mapping of Correlated Traits in Cassava: Dry Matter and Total Carotenoid Content

Cassava was planted widely for sale; although tree crop production was the main source of cash income in the cassava-producing area, among food crops, cassava production was a source of cash income for the largest number of households. Cassava was the most important crop in the area studied, both...


Nweke, F.Ngoram, K.Dixon, A.Ugwu, B.Ajobo, O.[Cassava production and processing in Cote dIvoire: COSCA working paper, No. 23]Cassava production and processing in Cote dIvoire: COSCA working paper, No. 23

La concurrence des mauvaises herbes est un obstacle à la rentabilité de la production du manioc. La connaissance des espèces de mauvaises herbes qui affectent négativement la productivité du manioc est essentielle pour une gestion efficace. Une étude a été conduite entre mai et juin 2014 et 2015 ...


Ekeleme, F.Atser, G.Dixon, A.Hauser, S.Chikoye, D.Olorunmaiye, P.M.Sokoya, G.Alfred, J.Okwusi, M.C.Korieocha, D.S.Olojede, A.O.Ayankanmi, T.G.Lagoke, S.T.O.[Assessment of weeds of cassava and farmers management practices in Nigeria]Assessment of weeds of cassava and farmers management practices in Nigeria

Cassava (Manihot esculenta Crantz) is one of the most important staple food crops of the people in Cameroon, with some estimated 204,548 hectares devoted to it and corresponding annual production of 1,998,819 metric tons. It plays a major role in efforts to alleviate food crisis due to its effici...


Njukwe, E.Amah, D.Ndango, R.Tindo, M.Dixon, A.Tenkouano, A.[Evaluation and delivery of disease resistant cassava varieties with comparable micronutrient density to farmers in Cameroon]Evaluation and delivery of disease resistant cassava varieties with comparable micronutrient density to farmers in Cameroon

Nweke, F.I.Dixon, A.Asiedu, RobertFolayan, S.[Cassava varietal needs of farmers and the potential for production growth in Africa: COSCA working paper, No. 10]Cassava varietal needs of farmers and the potential for production growth in Africa: COSCA working paper, No. 10

Several cassava genotypes were observed although there were few bred varieties. The wide diversity in the cassava landraces was a consequence of the action of the farmers in continuously abandoning and introducing cultivars into their system as they tried to select those cultivars that met their ...


Nweke, F.Kapinga, R.Dixon, A.Ugwu, B.Ajobo, O.Asadu, C.[Production prospects for cassava in Tanzania: COSCA working paper, No. 16]Production prospects for cassava in Tanzania: COSCA working paper, No. 16

Manihot esculenta.This paper which is based on information collected as part of Collaborative Study of Cassava in Africa (COSCA) provides information on cassava genotypes cultivated in sub-Saharan Africa. It shows that there is a high degree of turnover in the cassava genotypes cultivated. Farmer...


Nweke, F.Dixon, A.Asiedu, RobertFolayan, S.A.[Attributes of cassava varieties desired by farmers in subSaharan Africa]Attributes of cassava varieties desired by farmers in subSaharan Africa

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